COPO 427 ?

[John]

If it was for a special police car....
...would the special speedometer make it a copo?

[TimG]

It could be for a number of reasons including special suspension or shocks, heavy duty radiator (AC radiator in an non AC car), special wiring harness, towing package in a car it's not available, special gearing. I don't know if any or all of these would demand a COPO order, but they could. Weren't there some special order 4 banger Novas that John Z talked about? They had a crummy drive-train combination that made them barely able to climb a hill, but they built them under the COPO designation.